Home / 22,879.53-31,562.55-15,327.54

Finding the Fourth Proportional to 22,879.53, 31,562.55 and 15,327.54

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Solution

The fourth proportional to 22,879.53, 31,562.55 and 15,327.54 is: 21,144.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,879.53 : 31,562.55 = 15,327.54 : x
  2. Step 2: Convert to fraction form
    22,879.53/31,562.55 = 15,327.54/x
  3. Step 3: Cross multiply
    22,879.53x = 31,562.55 × 15,327.54
  4. Step 4: Simplify right side
    22,879.53x = 483,776,247.63
  5. Step 5: Solve for x
    x = 483,776,247.63/22,879.53
  6. Step 6: Final answer
    x = 21,144.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.